//头像选择 private void btnpicture_Click(object sender, EventArgs e) { OpenFileDialog open = new OpenFileDialog(); open.ShowDialog(); if (!string.IsNullOrEmpty(open.FileName)) { string file = open.FileName; headPath.Image = Image.FromFile(file); StudentInfoBLL bll = new StudentInfoBLL(); if (bll.updateStudentHeadpath(stuID, file) == 1) { MessageBox.Show("修改成功"); } else { MessageBox.Show("修改失败"); } } }